There are many types of Rubik's Cube puzzles - 2x2x2, 3x3x3, 4x4x4, 5x5x5 and so on. The picture above shows three 3x3x3 Rubik's Cube puzzle though they are not of Rubik's brand. Not to mention that there are other weird puzzles like Pyraminx, Square-1 and the list goes on. I will not go into each puzzle because I only know how to solve the 3x3x3 Rubik's Cube. However, I can share the concept to solve a 3x3x3 Rubik's Cube.
I will just refer to the 3x3x3 Rubik's Cube puzzle as cube from now on for convenience. There are many ways to solve the cube, to name a few relatively popular ones - Roux, Fridrich, Petrus. Well, the most famous of all and the method used by the current(Nov 2011) world record (WR) holder, Feliks Zemdegs is the Fridrich method (invented by Jessica Fridrich), also more commonly known as the CFOP method.
I will just explain the CFOP method in this post because it is the most famous method currently.
CFOP stands for - cross, first-2-layers(F2L), orientation-of-last-layer (OLL)and permutation-of-last-layer (PLL).
Scrambled cube below:
Cross solved:
F2L:
Before executing OLL:
After OLL:
PLL:
So that's the concept behind solving the 3x3x3 Rubik's Cube using the Fridrich method aka CFOP method.
For more detailed tutorial to use CFOP, please go to one of the following recommended sites:
badmephisto
cubefreak
FYI, there are multiple official competitions going on around the world as we speak. To find out more, you can go http://www.worldcubeassociation.org/. You can also join the community's forum at http://www.speedsolving.com.
MrExtra
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